Basement conversions fluctuate in cost depending on project scale, professionals hired and location. If your basement conversion doesnât need any construction work, then it should cost relatively little. However, the majority of projects at least need damp proofing and water proofing work, if not insulation, heating, electrical work and more. This means that even smaller basement conversion projects are still relatively expensive. The average UK cost ranges from £30,000 - £50,000.
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£46500
£34875
£23250
£11625
£0
| Labour cost | £28,000 | |
| Material cost | £10,000 | |
| Waste removal | £2,000 |
Requests for quotations in Daventry in December 2024
Requests for Basement renovation quotations in Daventry in December 2024. 0% change from November 2024.
Requests for Basement renovation quotations in Northamptonshire in December 2024. 0% change from November 2024.
Daventry - NN11
Enquiry from: Darren R
Start Date: Immediate
I have a 3 storey Victorian house with a cellar. The cellar is damp. and I am looking for a quote to fix that damp. The problem is worst in the two front corners of the house, and there appears to b...
Northampton - NN2
Enquiry from: Aaron A
Start Date: Immediate
tanking/plastering/electric sockets/radiator are you the property owner: owner of the property property type: terrace how many rooms are currently within the basement: 1 room how many rooms do you wan...
Northampton - NN1
Enquiry from: Craig L
Start Date: Immediate
i’d like a quote to get the cellar damp proofed and a window installed to comply with building regulations and also a price for an entire refurbishment are you the property owner: owner of the prope...
Northampton - NN1
Enquiry from: Mark K
Start Date: Less than one month
quote for cellar conversion are you the property owner: owner of the property property type: semi detached how many rooms are currently within the basement: 4 rooms how many rooms do you want to have...
Northampton - NN1
Enquiry from: Katt J
Start Date: Less than one month
we would like a quote for the conversion of two existing basement rooms to habitable living space. are you the property owner: owner of the property property type: terrace how many rooms are currently...
Northampton - NN1
Enquiry from: Dolli R
Start Date: Less than one month
i'd like my cellar tanked out to be able to use it as a craft room. are you the property owner: owner of the property property type: terrace how many rooms are currently within the basement: 1 room h...
Northampton - NN1
Enquiry from: Maddy R
Start Date: Less than one month
hi, i currently have a partially dry cellar but i would like it converting to a completely dry room as it is affecting the rest of the house. some of the ceiling needs replacing as it has fallen in, ...
Banbury - OX17
Enquiry from: Gerrard W
Start Date: Immediate
dear sirs, i live in an eighteenth century former pub in williamscot *** which has a cellar that i am looking to make habitable. could you do a site visit and quote for me? best regards, gerrard will...
Northampton - NN1
Enquiry from: Alex H
Start Date: Less than one month
we would like to convert the cellar into a clean dry storage room. doesn’t need anything fancy, but it would need to be properly damp proofed, floor levelled, ventilation etc to make it a safe space...
Northampton - NN1
Enquiry from: Janet G
Start Date: Immediate
tanking of 2 room basement. possible more remedial work on ceiling etc. are you the property owner: relative of owner property type: terrace how many rooms are currently within the basement: 2 rooms ...
Northampton - NN1
Enquiry from: Simon E
Start Date: Less than one month
we are looking at converting our cellar into a cinema room /lounge. size of cellar is approx 10.5ft x 16ft are you the property owner: owner of the property property type: terrace how many rooms are...
Northampton - NN2
Enquiry from: Dylan M
Start Date: 1 to 3 months
hi i would like a quote on a cellar conversion at this above property. time scale: 1-3 months please call to appoint
Banbury - OX16
Enquiry from: Ashley G
Start Date: Immediate
Hello, I am looking for a quote on a new build basement in the back garden. It will be approx 42SQM and will require plumbing. I have approved plans if you need to see these. Thanks Ashley
Northampton - NN1
Enquiry from: Jayant S
Start Date: Immediate
Foul sewage smell is coming from cellar to the ground floor shop . Sewage sludge smell is escaping from small hole on the floor. There is no excess to the celler. Stairs are removed and floor concer...
Northampton - NN5
Enquiry from: Barbara P
Start Date: Immediate
Small cellar conversion.
Northampton - NN5
Enquiry from: Judith P
Start Date: Less than one month
Cellar conversion Tidy up to have as an extra room. Time scale: Less than one month
Northampton - NN2
Enquiry from: Tim E
Start Date: Less than one month
I live in a basement flat which had a dpm fitted when converted approx 20 years ago that has now failed in one corner. The works would entail the removal of plaster, re-proofing and re-plastering. I'v...
Banbury - OX16
Enquiry from: Eddie R
Start Date: Immediate
My wife and I have recently moved to Banbury. We live in a Victorian terrace with a cellar (c 48 sq m), which we are looking to convert ASAP. Please email or call to arrange a survey and quote.
Banbury - OX16
Enquiry from: G
Start Date: 1 to 3 months
Assessment to gauge current condition of cellar and quotes to convert to dry storage space Time scale: 1-3 months Please call to appoint
Northampton - NN1
Enquiry from: M
Start Date: Immediate
Hi, We have a cellar - 14.35 meter squared It has had a sump pump already installed with drainage and has basic electrics down there, we currently have the tumble dryer down there. We would like ...
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Whether a basement is worth converting depends on your location and how much work it requires.
A basement conversion can be a great way to add space to your home, and can raise your property value. However, it can also be one of the most expensive ways to do this, so if there’s a possibility to extend your property, or convert a loft or garage, it’s worth considering this first.
You should also compare how much your basement conversion will cost with the amount it could raise your property value by. In some areas, a quality basement conversion could earn you money in the long run, but in others it’ll only cost you. If you’re planning on staying in your property for a long time this might not matter to you, but if it’s not your forever home then it’s an important thing to think about.
If your basement has a cavity drain membrane, it’ll need a pump to move water away from the exterior of your basement and prevent flooding.
Sump pumps can be noisy, but they don’t have to be. Generally, if you have a well-designed pump that’s installed correctly, you shouldn’t find it a problem. For best results, hire a skilled, experienced professional to supply and install your drainage system.
In some cases, it’s possible to convert a basement into an apartment. This can be a great way to incorporate an additional dwelling into your property and increase its value. However, converting a basement into an apartment can be quite expensive and time-consuming.
As with any type of dwelling, you’ll need to think about basic things like access, damp proofing, ventilation, insulation, heating, electrics, plumbing, lighting and décor. If you’re planning on extending your basement, then you’ll also need to ensure that your property is sufficiently supported.
It’s a good idea to consult a professional, like a basement conversion building specialist, to find out how feasible your project is before you go ahead with it.
The best way to go about converting a basement depends on its current condition and what you’d like to use it for.
If you’re happy with its size and structure, and just want to turn it into useful storage space, then your project shouldn’t be too complicated. You’ll simply need to make sure it’s damp proof and waterproof – either by fitting tanking or a cavity drain membrane with a sump and pump. You may also need to invest in new flooring, fit basic lighting, and plaster and paint the walls and ceiling.
If you’d like to turn your basement into living space, then you’ll need to think about ventilation, insulation and heating. If this involves creating a kitchen or bathroom, you’ll also need to incorporate plumbing.
If you want to extend your basement, add lightwells, or fit windows and a sunken garden, this makes things much more complicated. You’ll probably want to hire an architect or basement conversion building specialist to help you with the design and planning, and you’ll need a structural engineer to help you ensure your property is sufficiently supported.
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